Senior System Engineer

System Administrator since rh4.2.
I've been in system solution development and integration for last 10 years.
Offering help without refund if the problem is easily fixable.
System Services
Extensive knowledge of Linux operating system and linux based services
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Professional Server Help (Linux Administrator)

Melbourne based System Administrator with expertise in Linux Server optimization, security and service deployment on VPS/Physical, Cloud Platforms(AWS,Rackspace).
I believe in getting the job done with the best possible quality. Period.
Clear timely communication with the clients
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Esteban Hernandez

General Overview
Linux Administrator with 5 years experience
I am seasoned enough to know to acknowledge when I do not know something, or do not have the answer.
There is never “one way” to do something, and no matter how
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General Overview
Linux Administrator with 5 years experience
I am seasoned enough to know to acknowledge when I do not know something, or do not have the answer.
There is never “one way” to do something, and no matter how a problem is solved, there is always a better solution.
Enjoy challenges and learning. I will not charge for learning general technologies that have application beyond a contracted project.
I believe in the power of the web. I believe in the power of cloud computing, and SaaS.
Willing to do oncall 24x7 immediate availability.
Experience
Cloud Services: Amazon Web Services
EC2
Elastic IP
Console Manager
I have recently completed a number of production server deployments to Amazon Web Service (AWS). Each migration included building a new AMI as well as exports/imports of production data.
SVN migration to AWS (centOS)
dotProject migration to AWS (centOS)
Bugzilla migration to AWS
Linux (Centos, Ubuntu, Solaris, Suse, Red Hat)
Worked for software development company for 4 years maintaining and deploying a wide variety of systems and applications including: LAMP, Bind DNS, PHP, apache, mysql, LDAP, Nagios, Cacti, fortigate firewalls, Joomla, wordpress, Plesk, Jboss4, Tomcat, Oracle, PXE Installs, Vmware, Virtual Box, red hat spacewalk, Bacula, Oracle and Mysql migrations, shell scripting and general sys admin work maintaining and monitoring the data center with over a 100 servers.
HP (Technical Account Manager):
1 year experience handling Level 3 linux cases with US based customers, main point of contact between HP and the clients communicating via Email, phone or video chat, helping them resolve the cases from beginning to end engaging engineers from 3rd party software if required and keeping constant communication between the parties.
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Senior Systems & Network Engineer

I have over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Security expert and a Senior Unix System administrator (FreeBSD/Linux).
I specialize in complex ISP based UNIX installations
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I have over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Security expert and a Senior Unix System administrator (FreeBSD/Linux).
I specialize in complex ISP based UNIX installations, corporate Mail servers, Web servers, Database servers and large ZFS based storage solutions.
I have extensive knowledge in Virtualization technology. I have being involved with various type of Cloud solutions especially with OpenStack and CloudStack.
I also perform installations, maintenance and troubleshooting of Network Security devices for corporate based environments. Being very familiar with Cisco ASA, FWSM and Checkpoint SecurePlatform and IPSO.
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Expert web-developer (frontend+backend), linux system administrator

I have experience with wide range of technologies but my specialization is web development. I'm proficient in both frontend and backend development of web applications.
I have much knowledge regarding administration of linux systems including Ubuntu/CentOS and a
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I have experience with wide range of technologies but my specialization is web development. I'm proficient in both frontend and backend development of web applications.
I have much knowledge regarding administration of linux systems including Ubuntu/CentOS and a wide variety of server software.
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